A Checklist of Amphibians and Reptiles of this Mexican state : Amphibians and reptiles of the state of Coahuila, Mexico, with comparison with adjoining states
Checklist of the same groups for the state Nuevo Leon : Amphibians and Reptiles of the state of Nuevo León, Mexico
And one of the state of Chihuahua : Amphibians and reptiles of the state of Chihuahua, Mexico, with comparisons with adjoining states